Add fusion vmware tools install scripts to Centos 6.4

Signed-off-by: Ken Barber <ken@bob.sh>
Fix ordering of rm and umount for fusion tools

Signed-off-by: Ken Barber <ken@bob.sh>
Merge pull request #667 from kbarber/fusion_centos_64

Add fusion vmware tools install scripts to Centos 6.4